Home / 45,079.14-67,598.19-18,768.18

Finding the Fourth Proportional to 45,079.14, 67,598.19 and 18,768.18

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Solution

The fourth proportional to 45,079.14, 67,598.19 and 18,768.18 is: 28,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,079.14 : 67,598.19 = 18,768.18 : x
  2. Step 2: Convert to fraction form
    45,079.14/67,598.19 = 18,768.18/x
  3. Step 3: Cross multiply
    45,079.14x = 67,598.19 × 18,768.18
  4. Step 4: Simplify right side
    45,079.14x = 1,268,694,997.59
  5. Step 5: Solve for x
    x = 1,268,694,997.59/45,079.14
  6. Step 6: Final answer
    x = 28,143.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.